Sony NW-MS70D Service Manual
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Sony NW-MS70D Service Manual

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SERVICE MANUAL
Ver 1.6 2004.05
Maximum recording time (Approx.)
When using the built-in flash memory only:
ATRAC3
ATRAC3plus
4 hr. 10 min. (132 kbps)
8 hr. 40 min. (64 kbps)
5 hr. 20 min. (105 kbps)
11 hr. 40 min. (48 kbps)
8 hr. 30 min. (66 kbps)
When using "Memory Stick" (64MB):
ATRAC3
ATRAC3plus
60 min. (132 kbps)
130 min. (64 kbps)
80 min. (105 kbps)
170 min. (48 kbps)
120 min. (66 kbps)
Sampling frequency response
44.1 kHz
Audio compression technology
Adaptive Transform Acoustic Coding3 (ATRAC3)
Adaptive Transform Acoustic Coding3plus (ATRAC3plus)
Frequency response
20 to 20,000 Hz (single signal measurement)
Output
Headphone: Stereo mini-jack
Signal-to-noise ratio (S/N)
80 dB or more (excluding ATRAC3 66 kbps)
Dynamic range
85 dB or more (excluding ATRAC3 66 kbps)
Sony Corporation
9-877-141-07
Personal Audio Company
2004E02-1
© 2004.05
Published by Sony Engineering Corporation
NW-MS70D

SPECIFICATIONS

Operating temperature
0°C to 35°C (32°F to 95°F)
Power source
• DC IN 1.2 V (from built-in rechargeable battery)
• DC IN 4.5 V (from AC power adaptor)
• USB power (from a computer through supplied USB cable)
Battery life (continuous playback)
ATRAC3 format: Approximately 33 hours
ATRAC3plus format: Approximately 28 hours
Dimension
36.4 x 48.5 x 18 mm (1
(w/h/d, projecting parts not included)
Mass
Approx. 54 g (1.9 oz) ("Memory Stick Duo" not included)
Supplied accessories
USB cradle (1)
Headphones (1)
Dedicated USB cable (1)
AC power adaptor (for the supplied USB cradle) (1)
Carrying pouch (1)
Neck strap (1)
Extension headphone cord (1)
CD-ROM (1)
NW-MS70D Operating Instructions (1)
SonicStage Operating Instructions (1)
Design and specifications are subject to change without notice.
US Model
Canadian Model
AEP Model
UK Model
E Model
Tourist Model
7
15
23
/
x 1
/
x
/
inches)
16
16
32
NETWORK WALKMAN

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Summary of Contents for Sony NW-MS70D

  • Page 1: Specifications

    Neck strap (1) Extension headphone cord (1) Output CD-ROM (1) Headphone: Stereo mini-jack NW-MS70D Operating Instructions (1) Signal-to-noise ratio (S/N) SonicStage Operating Instructions (1) 80 dB or more (excluding ATRAC3 66 kbps) Dynamic range Design and specifications are subject to change without notice.

  • Page 2: Table Of Contents

    NW-MS70D Ver 1.6 TABLE OF CONTENTS OpenMG and its logo are trademarks of Sony Corporation. SonicStage and its logo are trademarks of Sony Corporation. Specifications ................1 “MagicGate Memory Stick” is trademark of Sony Corporation. “Memory Stick” and are trademarks of Sony Corporation.

  • Page 3: Servicing Notes

    NW-MS70D SECTION 1 SERVICING NOTES [ NOTES ON USING “MEMORY STICK DUO” ] • Do not remove “Memory Stick Duo” during reading or writing data. • Data may be damaged in the following cases. – The Network Walkman is removed from the USB cradle or the dedicated USB cable is unplugged while reading or writing data.

  • Page 4: Test Mode

    NW-MS70D SECTION 3 TEST MODE • STANDING PROCEDURE Procedure 1: In HOLD state, while pushing Nx button, push [RESET] button. Procedure 2: Insert the memory stick written “testmode.ind” to NW-MS70D. • Preparation “testmode.ind” Create a random text file in the root directory of Memory Stick Duo on Windows, file it as the name “testmode”...

  • Page 5: Disassembly

    NW-MS70D SECTION 4 DISASSEMBLY The equipment can be removed using the following procedure. MI-MH battery, NAND board, Case (R) ASSY Button (MS) ASSY, chassis (R) ASSY POWER board MAIN board Case (R) sub ASSY Case (U) sub ASSY, play unit LCD board Note : Follow the disassembly procedure in the numerical order given.

  • Page 6: Button (Ms) Assy, Chassis (R) Assy

    NW-MS70D 4-3. BUTTON (MS) ASSY, CHASSIS (R) ASSY 1 Button (MS) ASSY Case (R) sub ASSY 5 Spring (shutter) 6 Screws (M1.4x3) 4 Shutter (MS) 3 Screw (M1.4x3) 7 Bracket (shutter) 8 Chassis (R) ASSY 4-4. NI-MH BATTERY, POWER BOARD...

  • Page 7: Nand Board, Main Board

    NW-MS70D 4-5. NAND BOARD, MAIN BOARD 2 Connector (CN465) 4 NAND Board 5 MAIN Board Note on assembling NAND board On assembling NAND board, secure it to the gap on the chassis (R) assembly. Note on assembling MAIN board On assembling MAIN board, secure it to the gap on the chassis (R) assembly.

  • Page 8: Diagrams

    NW-MS70D SECTION 5 DIAGRAMS Note on Printed Wiring Board Note on Schematic Diagram: • X : parts extracted from the component side. • All capacitors are in µF unless otherwise noted. pF: µµF • Y : parts extracted from the conductor side.

  • Page 9: Block Diagrams

    NW-MS70D 5-1. BLOCK DIAGRAMS FLASH RAM NAND FLASH RAM IC463 Q461 NOR FLASH SRAM IC461 IC451 2.8V DQ0 - 15 A0 - 17 I/O1 - 8 29 - 36, 38 - 45 1 - 8, 17 - 25, 48 13 14 15 26 28...

  • Page 10: Schematic Diagram -Main Section (1/2)

    NW-MS70D 5-2. SCHEMATIC DIAGRAM – MAIN SECTION (1/2) – See page 8 for Notes.

  • Page 11: Schematic Diagram -Main Section (2/2)

    NW-MS70D 5-3. SCHEMATIC DIAGRAM – MAIN SECTION (2/2) – See page 8 for Notes.

  • Page 12: Printed Wiring Boards -Main Section

    NW-MS70D 5-4. PRINTED WIRING BOARDS – MAIN SECTION – : Uses unleaded solder. See page 8 for Notes. MAIN BOARD BOARD MAIN BOARD (SIDE B) (Page 14) (SIDE A) C306 NAND C102 R102 R765 CN821 BOARD C101 C202 R101 (Page 16)

  • Page 13: Schematic Diagram -Lcd Section

    NW-MS70D 5-5. SCHEMATIC DIAGRAM – LCD SECTION – See page 8 for Notes.

  • Page 14: Printed Wiring Boards -Lcd Section

    NW-MS70D 5-6. PRINTED WIRING BOARDS – LCD SECTION – : Uses unleaded solder. See page 8 for Notes. LCD BOARD LCD BOARD (SIDE A) (SIDE B) FB103 J301 (HEADPHONE) S705 S704 VOL– VOL+ FB101 FB201 R823 CN822 R822 C822 MAIN...

  • Page 15: Schematic Diagram -Nand Section

    NW-MS70D 5-7. SCHEMATIC DIAGRAM – NAND SECTION – See page 8 for Notes.

  • Page 16: Printed Wiring Boards -Nand Section

    NW-MS70D Ver 1.6 5-8. PRINTED WIRING BOARDS – NAND SECTION – : Uses unleaded solder. See page 8 for Notes. (SIDE A) NAND BOARD NAND BOARD (SIDE B) Q781 RESET R770 IC463 D781 C462 R464 TH746 S711 HOLD C735 R463...

  • Page 17: Schematic Diagram -Power Section

    NW-MS70D Ver 1.6 5-9. SCHEMATIC DIAGRAM – POWER SECTION – See page 8 for Notes.

  • Page 18: Printed Wiring Boards -Power Section

    NW-MS70D : Uses unleaded solder. 5-10. PRINTED WIRING BOARDS – POWER SECTION – See page 8 for Notes. MAIN POWER BOARD (SIDE A) BOARD (Page 12) R536 Q501 R517 Q504 C514 C524 D501 D502 R507 CN502 R510 Q503 C504 IC502...
  • Page 19 NW-MS70D • IC BLOCK DIAGRAM IC301 NJM2776RB2 (TE2) V + 2 OUT1 OUT2 8 IN2 STANDBY STANDBY BIAS V + 1 VREF IC731 RS5C348A-E2 32 kHz 32KOUT ALARM W REGISTER OUTPUT COMPARATOR (WEEK, MIN, HOUR) CONTROL ALARM D REGISTER COMPARATOR...

  • Page 20: Exploded View

    NW-MS70D SECTION 6 Ver 1.5 EXPLODED VIEWS NOTE : • -XX, -X mean standardized parts, so they may • The mechanical parts with no reference number in • Abbreviation have some difference from the original one. the exploded views are not supplied.

  • Page 21: Chassis Section

    NW-MS70D Ver 1.5 6-2. CHASSIS SECTION Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-247-178-01 CHASSIS (R) 3-247-181-01 SHUTTER (MS) 3-247-196-01 SPRING (HOLD) 3-703-816-81 SCREW (M1.4X6.0), SPECIAL HEAD 3-225-996-11 SCREW (M1.4) (EG), PRECISION.PAN 3-247-179-01 BRACKET (SHUTTER)

  • Page 22: Electrical Parts List

    NW-MS70D Ver 1.5 SECTION 7 MAIN ELECTRICAL PARTS LIST NOTE : When indicating parts by reference number, please • Due to standardization, replacements in the • SEMICONDUCTORS include the board. In each case, u : µ , for example : parts list may be different from the parts uA..
  • Page 23 NW-MS70D Ver 1.3 2003.07 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C413 1-164-850-11 CERAMIC CHIP 10PF 0.50PF 50V R104 1-218-961-11 RES-CHIP 4.7K 1/16W C414 1-164-850-11 CERAMIC CHIP 10PF 0.50PF 50V R201 1-218-973-11 RES-CHIP 1/16W...
  • Page 24 NW-MS70D Ver 1.6 MAIN NAND POWER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R763 1-218-985-11 RES-CHIP 470K 1/16W R770 1-218-941-81 RES-CHIP 1/16W R771 1-218-973-11 RES-CHIP 1/16W R765 1-218-965-11 RES-CHIP 1/16W R772 1-218-977-11 RES-CHIP 100K 1/16W...
  • Page 25 NW-MS70D Ver 1.5 POWER Ref. No. Part No. Description Remark R516 1-208-935-11 METAL CHIP 100K 0.5% 1/16W R517 1-208-935-11 METAL CHIP 100K 0.5% 1/16W R518 1-208-927-11 METAL CHIP 0.5% 1/16W R519 1-208-943-11 METAL CHIP 220K 0.5% 1/16W R520 1-218-985-11 METAL CHIP 470K 0.5%...
  • Page 26 NW-MS70D REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page. Ver. Date Description of Revision 2003.02...

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